Extended shank drill bit extension for engraving machines and precision tools - shank diameter: 8 mm

Features: Made of high-quality carbon steel, this chuck is robust and durable, offering a long service life. Start slowly and gradually increase the speed once the balance is stabilized. This high-precision milling chuck for woodworking is perfectly compatible with your engraving machine, ensuring stable clamping and increased productivity. Make sure the chuck extension is properly installed. Note that the extension must be securely fastened and the clamping force of the chuck nut must be the same as that of other milling chucks.